shlubby adjective ill-mannered; poorly dressed US Yiddish from the Slavic zhlob (a coarse person).
[A] rather shlubby Steve Lawrence (“sitting in” for Johnny Carson) asked his guest what his friends called him[.] — Albert Goldman, Freak Show, p. 67, 1968
And shlubby guys find a woman and get married every day. — Paybill, 8 October 2002